In 2008, an indiscriminate killing which shocked the whole world was carried out in the street of Akihabara. Director Yûsaku Matsumoto was inspired by the Akihabira killing to look at random acts of violence occurring in Japanese society and exploring the aftermath of one such occurrence, and the building-up to another one. By following several people—perpetrators, victims and family of both alike, he tells a human story about inhumane acts.

In the early days of the Internet, a case arises from an innovative software and the developer is falsely arrested by the police. This film is based on the true story of the men who fought against the authorities to protect the future and the rights of engineers.